Hot water heat in attic. Worried about water leak.

Old 08-22-01, 09:44 AM
Nancy Cammille
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First of two questions - In house I am buying to "fix-up" the hot water heater is in the attic. Can some kind of drainage pan/system be placed underneath to prevent damage if a leak occurs? There is a small storage room behind laundry room, that opens from outside of house, and it may be possible to relocate water heater there if not too expensive. Any ideas?

Second question - deep well has new pump and new pressure valve assembly but runs constantly. Good water pressure and no evidence of leak anywhere as far as I can determine.

Thanks for help.

Nancy Cammille
Old 08-22-01, 07:07 PM
Mike Swearingen's Avatar
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1. Yes. If there isn't one, get a plastic water heater pan with a drain hole on the side, and connect the drain to the house drain system, or to an outside drain line.
As far as relocating a water heater, usually that requires a lot of plumbing (cold water to, and hot water out) and 220v electric (or gas line) work, and it may not be inexpensive, but of course, it can be done.
2. The well/pump is a system. The first thing to check is the pressure tank air bladder pressure (tire gauge). It should be two psi below the pump cut-on pressure and pre-set at the factory.
If it is too high, bleed the pressure off at the air valve on the pressure tank. If it is too low, pump it up with a bicycle pump, or a portable air tank or compressor.
If it is running constantly, then the pressure switch may need to be adjusted. There are either one or two spring-loaded nuts on the pressure switch (under the gray plastic cover).
If there is one, it is pre-set at the factory 20 psi apart for either 20-40 psi cut-on/cut-off (1/2 hp), or 30-50 (3/4 hp), for a residential pump.
If there are two, the larger is the cut-on pressure, and the smaller is to adjust the upper cut-off.
Turn them down to increase pressure, and up to decrease pressure. Adjust them until the pump cuts off as it should, and cuts on as it should, without the constant cycling.
When you take the cover off of the pressure switch, the wires will be HOT, but it is safe if you just adjust the spring-loaded nuts. If you don't like to work around hot open contacts, then simply turn off the breaker at the panel before adjusting it.
Good luck! Mike


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